MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
### Temperature and Absences in a Summer Class The following data represents the temperatures on randomly chosen days during a summer class and the corresponding number of absences on those days. Use this data to calculate the correlation coefficient, \( r \). #### Data Table: | Temperature, \( x \) | 75 | 88 | 94 | 93 | 91 | 101 | 78 | 103 | 83 | |-----------------------|----|----|----|----|----|-----|----|-----|----| | Number of absences, \( y \) | 0 | 4 | 7 | 7 | 5 | 12 | 1 | 12 | 2 | #### Available Answers: - **A.** 0.881 - **B.** 0.819 - **C.** 0.980 - **D.** 0.890 Calculate the correlation coefficient \( r \) to determine the strength and direction of the relationship between temperature and the number of absences. Select the correct answer from the options provided.
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Transcribed Image Text:### Temperature and Absences in a Summer Class The following data represents the temperatures on randomly chosen days during a summer class and the corresponding number of absences on those days. Use this data to calculate the correlation coefficient, \( r \). #### Data Table: | Temperature, \( x \) | 75 | 88 | 94 | 93 | 91 | 101 | 78 | 103 | 83 | |-----------------------|----|----|----|----|----|-----|----|-----|----| | Number of absences, \( y \) | 0 | 4 | 7 | 7 | 5 | 12 | 1 | 12 | 2 | #### Available Answers: - **A.** 0.881 - **B.** 0.819 - **C.** 0.980 - **D.** 0.890 Calculate the correlation coefficient \( r \) to determine the strength and direction of the relationship between temperature and the number of absences. Select the correct answer from the options provided.
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